<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestifm-216</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICS</subject></subj-group></article-categories><title-group><article-title>КРАЕВАЯ ЗАДАЧА ДЛЯ СТЕРЖНЕВОГО ТЕЧЕНИЯ В КАНАЛЕ</article-title><trans-title-group xml:lang="en"><trans-title>BOUNDARY-VALUE PROBLEM FOR PLUG FLOW IN THE CHANNEL</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каянович</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kayanovich</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук, доцент кафедры высшей математики</p></bio><bio xml:lang="en"><p>Ph. D. (Physics and Mathematics), Assistant Professor of the Chair of HigherMathematics,</p></bio><email xlink:type="simple">sergkay@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>19</day><month>01</month><year>2017</year></pub-date><volume>0</volume><issue>4</issue><fpage>55</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Каянович С.С., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Каянович С.С.</copyright-holder><copyright-holder xml:lang="en">Kayanovich S.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestifm.belnauka.by/jour/article/view/216">https://vestifm.belnauka.by/jour/article/view/216</self-uri><abstract><p>В статье [<xref ref-type="bibr" rid="cit1">1</xref>] доказано существование решений модели стержневого течения на каждом временном слое tm = mτ, m = 0,1,…,M. В данной работе получены априорные оценки этих решений, которые не зависят от τ и позволяют выполнить предельный переход при τ→0.</p></abstract><trans-abstract xml:lang="en"><p>In the article [<xref ref-type="bibr" rid="cit1">1</xref>], we have proved the existence of solutions for a model of plug flow at each time step tm = mτ, m = 0,1,…, M. In this article, a priori estimates of these solutions have been obtained, which do not depend on τ and allow passing to the limit as τ→0.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>разрешимость</kwd><kwd>предельный переход</kwd><kwd>априорные оценки</kwd><kwd>гладкость</kwd><kwd>срезающая функция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>solvability</kwd><kwd>passage to the limit</kwd><kwd>a priori estimates</kwd><kwd>smoothness</kwd><kwd>cut-off function</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Каянович, С. С. Разрешимость дифференциальной модели стержневого течения / С. С. Каянович // Вес. Нац.акад навук Беларусі. Сер. фіз.-мат. навук. – 2015. – № 1. – С. 52–59.</mixed-citation><mixed-citation xml:lang="en">Kayanovich S.S. Solvability of the differential model of plug flow. Vestsі Natsyianal’nai akademіі navuk Belarusі. Seryia fіzіka-matematychnykh navuk [Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics series], 2015, no. 1, pp. 52–59. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Schauder, J. Uber lineare elliptische Differentialgleichungen zweiter Ordnung / J. Schauder // Math. Zeitschr. – 1934. – Vol. 38, n 2. – P. 257–283.</mixed-citation><mixed-citation xml:lang="en">Schauder J. Uber lineare elliptische Differentialgleichungen zweiter Ordnung. Mathematische Zeitschrift, 1934, vol. 38, no. 1, pp. 257–282. doi: 10.1007/BF01170635. (in German)</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Бернштейн, С. Н. Ограничение модулей последовательных производных решений уравнений параболического типа / С. Н. Берштейн // Докл. Нац. акад. наук Беларуси. – 1938. – Т. 18, № 3. – С. 385–389.</mixed-citation><mixed-citation xml:lang="en">Bernshtein S.N. Restriction of the modules of the succesive derivatives of the solutions of the parabolic-type equations. Doklady Natsional’noi akademii nauk Belarusi [ Doklady of the National Academy of Sciences of Belarus], 1938, vol. 18, no. 3, pp. 385–389. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Ладыженская, О. А. Смешанная задача для гиперболического уравнения / О. А. Ладыженская. – М., 1953.</mixed-citation><mixed-citation xml:lang="en">Ladyzhenskaya O.A. Mixed problem for the hyperbolic equation. Мoscow, State Publishing House technical and theoretical literature, 1953. 280 p. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Ладыженская, О. А. О разрешимости основных краевых задач для уравнений параболического и гиперболического типов / О. А. Ладыженская // Докл. Нац. акад. наук Беларуси. – 1954. – Т. 97, № 3. – С. 395–398.</mixed-citation><mixed-citation xml:lang="en">Ladyzhenskaya O.A. Solvability of the basic boundary-value problems for the parabolic- and hyperbolic-type equations. Doklady Natsional’noi akademii nauk Belarusi [Doklady of the National Academy of Sciences of Belarus], 1954, vol. 97, no. 3, pp. 395–398. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Ладыженская, О. А. Первая краевая задача для квазилинейных параболических уравнений / О. А. Ладыженская // Докл. Нац. акад. наук Беларуси. – 1956. – Т. 107, № 5. – С. 636–639.</mixed-citation><mixed-citation xml:lang="en">Ladyzhenskaya O.A. First boundary-value problem for quasi-linear parabolic equations. Doklady Natsional’noi akademii nauk Belarusi [Doklady of the National Academy of Sciences of Belarus], 1956, vol. 107, no. 5, pp. 636–639. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Ладыженская, О. А. Решение первой краевой задачи в целом для квазилинейных параболических уравнений /О. А. Ладыженская // Тр. Моск. мат. о-ва. – 1958. – Т. 7. – С. 149–177.</mixed-citation><mixed-citation xml:lang="en">Ladyzhenskaya O.A. Solution of the first boundary-value problems, in general for quasi-linear parabolic equations. Trudy Moskovskogo matematematicheskogo obshchestva [Works of the Moscow Mathematical Society], 1958, vol. 7, pp. 149–177. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Ладыженская, О. А. Линейные и квазилинейные уравнения эллиптического типа / О. А. Ладыженская,Н. Н. Уральцева. – М.: Наука, 1964. – 538 с.</mixed-citation><mixed-citation xml:lang="en">Ladyzhenskaya O.A., Ural’tseva N.N. Linear and quasi-linear equations of elliptical type. Мoscow, Nauka, 1964. 538 p. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Ладыженская, О. А. Линейные и квазилинейные уравнения параболического типа / О. А. Ладыженская, В. А. Солонников, Н. Н. Уральцева. – М.: Наука, 1967. – 736 с.</mixed-citation><mixed-citation xml:lang="en">Ladyzhenskaya O.A., Solonnikov V.A., Ural’tseva N.N. Linear and quasi-linear equations of parabolic type. Мoscow, Nauka, 1967. 736 p. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Соболев, С. Л. Некоторые применения функционального анализа в математической физике / С. Л. Соболев. – Л.: ЛГУ, 1950. – 256 с.</mixed-citation><mixed-citation xml:lang="en">Sobolev S.L. Some applications of the functional analysis in mathematical physics Лeningrad, Leningrad State University, 1950. 256 p. (in Russian)</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Каянович, С. С. Стержневое течение вязкой жидкости / С. С. Каянович // Вес. Нац. акад навук Беларусі. Сер. фіз.-тэхн. навук. – 2013. – № 3. – С. 32–35.</mixed-citation><mixed-citation xml:lang="en">Kayanovich S.S. Plug flow of viscous fluid. Vestsі Natsyianal’nai akademіі navuk Belarusі. Ser. Fіzіka-tekhnіchnykh navuk [Proceedings of the National Academy of Sciences of Belarus. Physico-Technical series], 2013, no. 3, pp. 32–35. (in Russian)</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
